Van Buren Sleeper-Vt>Lowell,Ma

He was born in Vt abt 1837 to parents David Sleeper &Caroline Mclaughlin,served in the Civil War and moved to Lowell,Massachusetts.Married Jennette ? b. abt 1849 in Mass and had a son Robert b.June 10 1879 and Estella b. abt 1878.He had custody of a minor Annie C. Campbell.Any help appreciated.